MacBook Air (11 inches, 2014) 
Processor 1.4G Intel Core i5 
Memory 4GB 1600 MHz DDR3 
Graphics Intel HD Graphics 5000 1536 MB 
Storage 128 GB
I am a postdoc in Stanford. My MacBook Air is in good conditions, like new (barely using), the battery lasts approximately 7-8 hours. No defects, no scratches, no dents, etc. Selling because I update to the new MacBook Pro. If you're interested please send me email lizhijun@stanford.edu. Pick up on Campus.